This is easily doable. What you would need to do is give the audiobooks you want to have separate a specific taxonomy (i.e. a unique tag, genre, series, or author).
Then, to add them as a BookTable to your site, just make a regular, new Page from your WP Admin panel. Then click on "Insert Shortcode" located near the "Add Media" button.
That will open the MBT shortcode interface. Once there, go to the MyBookTable tab and select "All books in...(whichever taxonomy you use to specify your audiobooks)". That will give you a separate page dedicated to audiobooks, like you want. Does this answer your question? Let me know if you need any more help.